2. The results of parallel determinations of ethanol in wine by the enzymatic method were 13.1, 12.7, 12.6, 13.3 and 13.3%. For this series of data, calculate: a) standard deviation; b) relative standard deviation; c) standard deviation of the mean; d) relative standard deviation of the mean.

If you do not open the file - install the RAR archiver. Inside the archive you will find a solution in Word format.